Adds async aliases.

.swiftpm/xcode/package.xcworkspace/contents.xcworkspacedata

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "self:">
+   </FileRef>
+</Workspace>

Package.swift

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+// swift-tools-version: 5.7
+// The swift-tools-version declares the minimum version of Swift required to build this package.
+
+import PackageDescription
+
+let package = Package(
+    name: "AliasWonderland",
+    products: [
+        // Products define the executables and libraries a package produces, and make them visible to other packages.
+        .library(
+            name: "AliasWonderland",
+            targets: ["AliasWonderland"]),
+    ],
+    dependencies: [
+        // Dependencies declare other packages that this package depends on.
+        // .package(url: /* package url */, from: "1.0.0"),
+    ],
+    targets: [
+        // Targets are the basic building blocks of a package. A target can define a module or a test suite.
+        // Targets can depend on other targets in this package, and on products in packages this package depends on.
+        .target(
+            name: "AliasWonderland",
+            dependencies: []),
+        .testTarget(
+            name: "AliasWonderlandTests",
+            dependencies: ["AliasWonderland"]),
+    ]
+)

Sources/AliasWonderland/AliasWonderland.swift

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+
+/// Asynchronus function returning some value.
+public typealias AsyncProducer<T> = () async -> T

Tests/AliasWonderlandTests/AliasWonderlandTests.swift

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+import XCTest
+@testable import AliasWonderland
+
+final class AliasWonderlandTests: XCTestCase {
+    func testExample() throws {}
+}